diff --git a/djorm_pgfulltext/management/commands/update_search_field.py b/djorm_pgfulltext/management/commands/update_search_field.py
index 410d2e9..c9ff096 100644
--- a/djorm_pgfulltext/management/commands/update_search_field.py
+++ b/djorm_pgfulltext/management/commands/update_search_field.py
@@ -9,9 +9,9 @@
 
 class Command(BaseCommand):
     help = 'Update search fields'
-    args = "appname [model]"
+    args = "appname [model] [using]"
 
-    def handle(self, app=None, model=None, **options):
+    def handle(self, app=None, model=None, using='default', **options):
         if not app:
             raise CommandError("You must provide an app to update search fields.")
 
@@ -46,5 +46,5 @@ def handle(self, app=None, model=None, **options):
 
         for m in app_models_for_process:
             print("Processing model %s..." % m, end='')
-            m._fts_manager.update_search_field()
+            m._fts_manager.update_search_field(using=using)
             print("Done")
diff --git a/djorm_pgfulltext/models.py b/djorm_pgfulltext/models.py
index a7a7a73..f6a9918 100644
--- a/djorm_pgfulltext/models.py
+++ b/djorm_pgfulltext/models.py
@@ -43,7 +43,12 @@ def __exit__(self, *args, **kwargs):
 
 
 def auto_update_search_field_handler(sender, instance, *args, **kwargs):
-    instance.update_search_field()
+    # to take using from method save()
+    defaults = {'using': 'default'}
+
+    instance.update_search_field(
+        **{arg: kwargs.get(arg, defaults[arg]) for arg in defaults.keys()}
+    )
 
 
 class SearchManagerMixIn(object):